/* ========================================
   CHAT WINDOW STYLES – Premium SaaS redesign
   ======================================== */

/* Container für minimiertes und maximiertes Fenster */
.chat-window-container {
    position: fixed !important;
    bottom: 24px;
    right: 24px;
    z-index: 99999 !important;
    pointer-events: none;
}

/* Wrapper für Intro-Sprechblase + Schließen-Button (pointer-events damit X klickbar ist) */
.chat-intro-bubble-wrapper {
    position: absolute;
    right: 0;
    bottom: 64px;
    pointer-events: auto;
}

/* Schließen-Button außerhalb am Rand der Sprechblase */
.chat-intro-bubble-close {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    background: #fff;
    color: #64748b;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    padding: 0;
    transition: background 0.15s, color 0.15s;
}
.chat-intro-bubble-close:hover {
    background: #f1f5f9;
    color: #0f172a;
}

/* Intro speech bubble on minimized trigger (im Wrapper, gibt ihm die Größe) */
.chat-intro-bubble {
    position: relative;
    min-width: 320px;
    max-width: 360px;
    background: #ffffff;
    color: #0f172a;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.12), 0 5px 15px rgba(0,0,0,0.08);
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.45;
    animation: introBubbleFade 260ms cubic-bezier(0.22, 1, 0.36, 1), introBubbleFloat 6s ease-in-out infinite;
    pointer-events: none;
}

.chat-intro-bubble-text {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

/* Sprechblasen-Schwanz weiß wie die Blase, über dem Button zentriert */
.chat-intro-bubble-arrow {
    position: absolute;
    bottom: -14px; /* Schwanz schließt an Blase an, Spitze zeigt zum Button */
    right: 16px; /* über dem 56px-Button zentriert (28 - 12) */
    width: 24px;
    height: 14px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-top: none;
    clip-path: polygon(50% 100%, 0 0, 100% 0);
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

@keyframes introBubbleFade {
    from { opacity: 0; transform: translateY(6px) scale(0.94); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes introBubbleFloat {
    0% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
    100% { transform: translateY(0); }
}

.chat-window-minimized {
    pointer-events: auto !important;
    display: block !important;
    visibility: visible !important;
}

/* Floating trigger: standardmäßig nur Icon, bei Hover „Siqment Engine“ einblenden */
.chat-window-icon-button {
    min-width: 56px;
    height: 56px;
    padding: 0 20px;
    border-radius: 9999px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 14px rgba(123, 63, 228, 0.35), 0 2px 6px rgba(0, 0, 0, 0.08);
    transition: transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 220ms ease;
    pointer-events: auto !important;
    position: relative;
    z-index: 99999 !important;
}

/* Standard: nur rundes Icon; Hover: Pill mit „Siqment Engine“ */
.chat-window-siqment-engine-button {
    width: 56px;
    padding: 0;
    gap: 0;
    overflow: hidden;
    transition: width 260ms ease, padding 260ms ease, gap 260ms ease,
                transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 220ms ease;
}

.chat-window-siqment-engine-button:hover {
    width: 220px;
    padding: 0 20px 0 16px;
    gap: 12px;
}

.chat-window-siqment-engine-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-window-siqment-engine-icon .chat-engine-icon {
    width: 22px;
    height: 22px;
}

.chat-window-siqment-engine-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    transition: opacity 220ms ease 80ms, max-width 260ms ease;
}

.chat-window-siqment-engine-button:hover .chat-window-siqment-engine-label {
    opacity: 1;
    max-width: 180px;
}

.chat-window-icon-button:hover {
    transform: scale(1.04) translateY(-2px);
    box-shadow: 0 8px 24px rgba(123, 63, 228, 0.4), 0 4px 12px rgba(0, 0, 0, 0.1);
}

.chat-window-icon-button:active {
    transform: scale(0.98);
    box-shadow: 0 2px 10px rgba(123, 63, 228, 0.3);
}

.chat-window-icon-button svg {
    width: 22px;
    height: 22px;
}

/* Maximiert: Vollständiges Chat-Fenster */
.chat-window-maximized {
    pointer-events: auto;
}

/* Vollbild: Breites Popup über den Bildschirm */
.chat-window-fullscreen {
    bottom: 0 !important;
    right: 0 !important;
    left: 0 !important;
    top: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.15);
}

.chat-window-fullscreen .chat-window {
    width: 90vw;
    max-width: 1200px;
    height: 90vh;
    max-height: 900px;
    border-radius: 24px;
}


.chat-window {
    width: 420px;
    height: 560px;
    max-height: min(560px, calc(100vh - 48px));
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12), 0 12px 24px rgba(123, 63, 228, 0.08);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    will-change: transform, opacity;
    border: 1px solid rgba(217, 200, 255, 0.4);
    position: relative;
}

/* Animation für Öffnen - nur wenn nicht animating */
.chat-window-maximized:not(.chat-window-animating) .chat-window {
    animation: chatWindowSlideUp 300ms ease-out forwards;
}

@keyframes chatWindowSlideUp {
    from {
        transform: translateY(20px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Animation für Schließen/Minimieren - nur wenn animating */
.chat-window-animating.chat-window-maximized .chat-window {
    animation: chatWindowSlideDown 250ms ease-in forwards;
}

@keyframes chatWindowSlideDown {
    from {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    to {
        transform: translateY(20px) scale(0.95);
        opacity: 0;
    }
}

/* Header – sehr kompakt im kleinen Fenster, passt immer rein */
.chat-window-header {
    position: sticky;
    top: 0;
    z-index: 10;
    min-height: 44px;
    height: 44px;
    padding: 0 12px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
    flex-shrink: 0;
}

.chat-window-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.chat-window-header-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--primary-100);
    color: var(--primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-window-header-icon .chat-engine-icon {
    width: 16px;
    height: 16px;
}

.chat-window-header-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    min-width: 0;
}

.chat-window-header-title-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.chat-window-button-newchat {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid var(--primary-200);
    background: var(--primary-50);
    color: var(--primary-700);
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
}

.chat-window-button-newchat:hover {
    background: var(--primary-100);
}

.chat-window-button-history {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--gray-600);
    cursor: pointer;
    border-radius: 6px;
}

.chat-window-button-history:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.chat-window-button-newchat {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--gray-600);
    cursor: pointer;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
}

.chat-window-button-newchat:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.chat-history-panel {
    position: absolute;
    top: 52px;
    right: 12px;
    width: 280px;
    max-height: 360px;
    background: #ffffff;
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.15);
    display: flex;
    flex-direction: column;
    z-index: 20;
    overflow: hidden;
}

.chat-history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-800);
    background: #f8fafc;
}

.chat-history-list {
    overflow-y: auto;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chat-history-item {
    text-align: left;
    border: 1px solid transparent;
    background: #fff;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chat-history-item:hover {
    background: var(--gray-50);
    border-color: var(--gray-200);
}

.chat-history-item.active {
    border-color: var(--primary-200);
    background: rgba(123, 63, 228, 0.08);
}

.chat-history-item-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-900);
}

.chat-history-item-meta {
    font-size: 0.7rem;
    color: var(--gray-500);
}

.chat-history-empty {
    padding: 12px;
    font-size: 0.75rem;
    color: var(--gray-500);
}

.chat-window-header-name {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-window-beta {
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-600);
    background: rgba(123, 63, 228, 0.1);
    padding: 2px 4px;
    border-radius: 3px;
    flex-shrink: 0;
}

.chat-window-header-actions {
    display: flex;
    align-items: center;
    gap: 0;
    flex-shrink: 0;
}

/* „Chat leeren“ im kleinen Fenster nur als Icon – Text erst im Vollbild */
.chat-window-button-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    transition: background 180ms ease, color 180ms ease;
}

.chat-window-button-clear:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.chat-window-button-clear svg {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
}

.chat-window-button-clear-label {
    display: none;
    white-space: nowrap;
}

/* Nur im Vollbild: „Chat leeren“ mit Text anzeigen */
.chat-window-fullscreen .chat-window-button-clear {
    width: auto;
    padding: 0 10px;
}

.chat-window-fullscreen .chat-window-button-clear-label {
    display: inline;
}

.chat-window-button-minimize,
.chat-window-button-close,
.chat-window-button-fullscreen {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border: none;
    background: transparent;
    color: var(--gray-400);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background 180ms ease, color 180ms ease;
}

.chat-window-button-minimize svg,
.chat-window-button-close svg,
.chat-window-button-fullscreen svg {
    width: 14px;
    height: 14px;
}

.chat-window-button-minimize:hover,
.chat-window-button-close:hover,
.chat-window-button-fullscreen:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* Sehr kleine Screens: immer nur Icon, kein Text auch bei Hover */
@media (max-width: 380px) {
    .chat-window-siqment-engine-button:hover {
        width: 56px;
        padding: 0;
        gap: 0;
    }
    .chat-window-siqment-engine-button:hover .chat-window-siqment-engine-label {
        opacity: 0;
        max-width: 0;
    }
}

/* Welcome – kompakt, klare Hierarchie, wenig Leerraum */
.chat-window-welcome {
    padding: 14px 16px 16px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-100);
    flex-shrink: 0;
}

.chat-window-welcome-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    color: var(--gray-500);
}

.chat-window-welcome-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chat-window-welcome-text {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.45;
    color: var(--gray-600);
}

.chat-window-welcome-text strong {
    color: var(--gray-900);
    font-weight: 600;
}

.chat-window-welcome-subtext {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* Messages Area – breathing room, subtle bg */
.chat-window-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #fcfbfd;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0;
}

.chat-messages-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 120px;
    color: var(--gray-500);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    padding: 24px;
}

/* Chat Messages – clear hierarchy, soft bubbles */
.chat-message {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 88%;
    max-width: min(88%, 340px);
    animation: messageSlideIn 280ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.chat-message-user {
    align-self: flex-end;
    align-items: flex-end;
}

.chat-message-assistant {
    align-self: flex-start;
    align-items: flex-start;
}

.chat-message-content {
    padding: 14px 18px;
    border-radius: 18px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.chat-message-user .chat-message-content {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    border-bottom-right-radius: 6px;
}

.chat-message-assistant .chat-message-content {
    background: #ffffff;
    color: var(--gray-800);
    border: 1px solid var(--gray-100);
    border-bottom-left-radius: 6px;
}

.chat-message-text {
    font-size: 0.9375rem;
    line-height: 1.55;
    white-space: pre-wrap;
}

/* Markdown-Tabellen in Nachrichten */
.chat-message-table-wrap {
    margin-top: var(--space-2);
    margin-bottom: var(--space-2);
    overflow-x: auto;
    max-width: 100%;
}

.chat-message-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.chat-message-table th,
.chat-message-table td {
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    text-align: left;
}

.chat-message-table th {
    background: var(--gray-100);
    font-weight: var(--font-semibold);
    color: var(--gray-800);
}

.chat-message-table tbody tr:nth-child(even) {
    background: var(--gray-50);
}

/* Hervorhebung von Variablen- und Kontonamen in Assistant-Nachrichten */
.chat-message-assistant .chat-highlight-entity {
    font-weight: 600;
    color: var(--primary-700);
    background: rgba(123, 63, 228, 0.1);
    padding: 0 4px;
    border-radius: 4px;
}

.chat-message-source {
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--gray-500);
    line-height: 1.4;
}

.chat-message-trace-inline {
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--gray-600);
    line-height: 1.4;
}

.chat-message-trace-inline details {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 8px 10px;
}

.chat-message-trace-inline summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--gray-700);
}

.chat-trace-inline-list {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-trace-inline-item {
    background: #ffffff;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 8px 10px;
}

.chat-trace-inline-name {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.chat-trace-inline-args pre {
    margin: 0;
    white-space: pre-wrap;
    font-size: var(--text-xs);
    color: var(--gray-600);
}

.chat-trace-inline-result {
    margin-top: 4px;
    font-size: var(--text-xs);
    color: var(--gray-700);
}

.chat-message-suggestions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.chat-message-suggestions-label {
    width: 100%;
    font-size: var(--text-xs);
    color: var(--gray-500);
    margin-bottom: 2px;
}

.chat-suggestion-button {
    min-height: 36px;
    padding: 8px 14px;
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: var(--font-sans, system-ui, sans-serif);
    color: var(--primary-600);
    background: #ffffff;
    border: 1px solid var(--primary-200);
    border-radius: 10px;
    cursor: pointer;
    transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.chat-suggestion-button:hover {
    background: var(--primary-50);
    border-color: var(--primary-400);
    color: var(--primary-700);
}

.chat-suggestion-button:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.chat-suggestion-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.chat-message-footer {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-1);
    padding: 0 var(--space-2);
}

.chat-message-time {
    font-size: 10px;
    color: var(--gray-400);
}

.chat-message-user .chat-message-footer {
    justify-content: flex-end;
}

.chat-message-assistant .chat-message-footer {
    justify-content: flex-start;
}

.chat-message-trace-btn {
    width: 24px;
    height: 24px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--gray-400);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: color 150ms ease, background 150ms ease;
}

.chat-message-trace-btn:hover {
    color: var(--primary-600);
    background: var(--gray-100);
}

.chat-message-trace-btn:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.chat-window-button-clear:focus-visible,
.chat-window-button-fullscreen:focus-visible,
.chat-window-button-minimize:focus-visible,
.chat-window-button-close:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.chat-window-input:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 0;
}

.chat-window-send-button:focus-visible,
.chat-window-cancel-button:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.chat-trace-modal-close:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Clear-Chat-Bestätigung: Modal über Chat (wie Variablen löschen) */
.chat-clear-confirm-wrap {
    position: fixed;
    inset: 0;
    z-index: 100001;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-clear-confirm-wrap .modal-overlay {
    animation: chatModalFadeIn 0.2s ease-out;
}

.chat-clear-confirm-wrap .delete-confirm-modal {
    animation: chatModalSlideUp 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes chatModalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes chatModalSlideUp {
    from {
        transform: translateY(20px) scale(0.98);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Trace-Modal: Was hat die KI gemacht? */
.chat-trace-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    padding: var(--space-4);
}

.chat-trace-modal {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    max-width: 480px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-trace-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
    flex-shrink: 0;
}

.chat-trace-modal-header h4 {
    margin: 0;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--gray-900);
}

.chat-trace-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all 200ms ease;
}

.chat-trace-modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.chat-trace-modal-body {
    padding: var(--space-4);
    overflow-y: auto;
    font-size: var(--text-sm);
}

.chat-trace-empty {
    margin: 0;
    color: var(--gray-600);
}

.chat-trace-list {
    margin: 0;
    padding-left: var(--space-5);
    list-style: decimal;
}

.chat-trace-item {
    margin-bottom: var(--space-4);
}

.chat-trace-item:last-child {
    margin-bottom: 0;
}

.chat-trace-fn-name {
    font-family: var(--font-mono, monospace);
    font-weight: var(--font-semibold);
    color: var(--primary-700);
    margin-bottom: var(--space-1);
}

.chat-trace-args pre {
    margin: 0 0 var(--space-2);
    padding: var(--space-2);
    background: var(--gray-100);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.chat-trace-result {
    font-size: var(--text-xs);
    color: var(--gray-600);
}

/* Typing Indicator – soft dots */
.chat-message-typing {
    display: flex;
    gap: 6px;
    padding: 8px 4px;
    align-items: center;
}

.chat-message-typing span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-400);
    opacity: 0.7;
    animation: typingBounce 1.2s infinite ease-in-out;
}

.chat-message-typing span:nth-child(1) {
    animation-delay: -0.24s;
}

.chat-message-typing span:nth-child(2) {
    animation-delay: -0.12s;
}

@keyframes typingBounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Chart in Messages */
.chat-message-chart {
    margin-top: var(--space-3);
    width: 100%;
    max-width: 100%;
    height: 200px;
    background: white;
    border-radius: var(--radius-md);
    padding: var(--space-2);
    border: 1px solid var(--gray-200);
}

.chat-message-chart-error {
    margin-top: var(--space-2);
    padding: var(--space-2);
    background: var(--error-50);
    border: 1px solid var(--error-500);
    border-radius: var(--radius-md);
    color: var(--error-600);
    font-size: var(--text-xs);
}

/* Scrollbar Styling */
.chat-window-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-window-messages::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.chat-window-messages::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.chat-window-messages::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Input Area – pill bar, integrated send */
.chat-window-input-area {
    padding: 16px 20px 20px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    gap: 12px;
    align-items: flex-end;
    background: #ffffff;
    flex-shrink: 0;
}

.chat-window-input {
    flex: 1;
    min-width: 0;
    padding: 12px 18px;
    border: 1px solid var(--gray-200);
    border-radius: 14px;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--gray-900);
    background: var(--gray-50);
    transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

/* Textarea: vertikal wachsend bei Zeilenumbruch */
.chat-window-input-textarea {
    resize: none;
    min-height: 44px;
    max-height: 160px;
    overflow-y: auto;
    line-height: 1.45;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.chat-window-input::placeholder {
    color: var(--gray-400);
}

.chat-window-input:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.chat-window-input:focus {
    outline: none;
    border-color: var(--primary-400);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(123, 63, 228, 0.12);
}

.chat-window-send-button {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border: none;
    background: var(--gray-200);
    color: var(--gray-400);
    border-radius: 14px;
    cursor: not-allowed;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 180ms ease, color 180ms ease, transform 180ms ease;
    flex-shrink: 0;
}

.chat-window-send-button:disabled {
    cursor: not-allowed;
}

.chat-window-send-button:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(123, 63, 228, 0.25);
}

.chat-window-send-button:not(:disabled):hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    transform: scale(1.03);
}

.chat-window-send-button:not(:disabled):active {
    transform: scale(0.98);
}

.chat-window-cancel-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 16px;
    border: none;
    border-radius: 14px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.chat-window-cancel-button:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.35);
}

.chat-window-cancel-button:active {
    transform: scale(0.98);
}

.chat-window-send-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Responsive Design – Fenster passt immer in Viewport, Header bleibt sichtbar */
@media (max-width: 768px) {
    .chat-window-container {
        bottom: 16px;
        right: 16px;
    }

    .chat-window {
        width: calc(100vw - 32px);
        max-width: 420px;
        height: calc(100vh - 48px);
        max-height: min(560px, calc(100vh - 48px));
    }

    .chat-window-icon-button {
        height: 48px;
        min-width: 48px;
    }

    .chat-window-siqment-engine-button {
        padding: 0 16px 0 12px;
    }

    .chat-window-siqment-engine-label {
        font-size: 13px;
    }

    .chat-window-siqment-engine-icon .chat-engine-icon {
        width: 20px;
        height: 20px;
    }
}

/* Dark Mode Support (falls später implementiert) */
@media (prefers-color-scheme: dark) {
    .chat-window {
        background: var(--gray-800);
    }

    .chat-window-header {
        background: var(--gray-800);
        border-bottom-color: var(--gray-700);
    }

    .chat-window-header-title h3 {
        color: var(--gray-100);
    }

    .chat-window-welcome {
        background: var(--gray-900);
        border-bottom-color: var(--gray-700);
    }

    .chat-window-welcome-text {
        color: var(--gray-300);
    }

    .chat-window-welcome-text strong {
        color: var(--gray-100);
    }

    .chat-window-welcome-subtext {
        color: var(--gray-400);
    }

    .chat-window-messages {
        background: var(--gray-800);
    }

    .chat-window-input-area {
        background: var(--gray-800);
        border-top-color: var(--gray-700);
    }

    .chat-window-input {
        background: var(--gray-900);
        border-color: var(--gray-700);
        color: var(--gray-100);
    }

    .chat-window-input:focus {
        background: var(--gray-900);
        border-color: var(--primary-500);
    }
}